/Engine/Plugins/MeshPainting/Source/MeshPaintingToolset/Public/MeshPaintHelpers.h
Struct used to store the color data copied from mesh component to mesh component
struct FPerComponentVertexColorData
int32
ComponentIndex
We also match by component index
TWeakObjectPtr<...
OriginalMesh
We match up components by the mesh they use
TArray<FPerLOD...
PerLODVertexColorData
Vertex colors by LOD